package org.speed.spring.core.aop;

public class APP2 {

	
	public static void main(String[] args) {
		
		
		rv("123");
		
		
	}
	
	
	static void rv(String obj) {
		
		StringBuffer sBuffer = new StringBuffer();
		int length = obj.length();
		char[] arrays = obj.toCharArray();
		for (int i = arrays.length ; i > 0; i--) {
			sBuffer.append(arrays[i-1]);
		}
		System.out.println(sBuffer.toString());
		
	}
	
}
